#include<bits/stdc++.h>
using namespace std;
inline int read()
{
    int x=0,sign=1;
    char c;
    c=getchar();
    while(c>'9'||c<'0')
    {
        if(c=='-') sign=-1;
        c=getchar();
    }
    while(c>='0'&&c<='9')
    {
        x=x*10+(c-'0');
        c=getchar();
    }
    return x*sign;
}
int main()
{
    freopen("arena.in","r",stdin);
    freopen("arena.out","w",stdout);
    cout<<"Hello codding!"<<endl;
    return 0;
}
